<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        //构造函数中的属性和方法我们称为成员，成员可以添加
        function Star(uname,age){
            this.uname=uname;
            this.age=age;
            this.sing=function(){
                console.log('我会唱歌');
            }
        }
        Star.sex='男';
        var ldh = new Star('刘德华',18);
        console.log(ldh.sex);
    </script>
</body>
</html>